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85175885233193 is a prime number
BaseRepresentation
bin10011010111011110001110…
…011000011111110000101001
3102011120201211220001202101012
4103113132032120133300221
542131010203104430233
6501053132252033305
723640516560522066
oct2327361630376051
9364521756052335
1085175885233193
1125159987757657
1296777a7762835
13386b089235361
14170676b869c6d
159ca9484bd548
hex4d778e61fc29

85175885233193 has 2 divisors, whose sum is σ = 85175885233194. Its totient is φ = 85175885233192.

The previous prime is 85175885233181. The next prime is 85175885233199. The reversal of 85175885233193 is 39133258857158.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84743568463129 + 432316770064 = 9205627^2 + 657508^2 .

It is a cyclic number.

It is not a de Polignac number, because 85175885233193 - 28 = 85175885232937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (85175885233199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42587942616596 + 42587942616597.

It is an arithmetic number, because the mean of its divisors is an integer number (42587942616597).

Almost surely, 285175885233193 is an apocalyptic number.

It is an amenable number.

85175885233193 is a deficient number, since it is larger than the sum of its proper divisors (1).

85175885233193 is an equidigital number, since it uses as much as digits as its factorization.

85175885233193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728000, while the sum is 68.

The spelling of 85175885233193 in words is "eighty-five trillion, one hundred seventy-five billion, eight hundred eighty-five million, two hundred thirty-three thousand, one hundred ninety-three".